Double Beam Scanning UV-Vis Spectrophotometer BK-D590



  • Environmental  lamp, preventing from Ozone inhalation
  • Real-time monitoring the lifetime of lamp and Tungsten lamp
  • Socket-Type  lamp and Tungsten lamp
  • GLP self-check function:check the wavelength accuracy and Photometry accuracy,provide test report and power-off protection
  • Wavelength calibration, wavelength setting, change lamp source and dark current calibration automatically
  • SiO2 coating optical mirror, reduces the influence from outside


Basic Functions

  • Photometry
    Test Abs., Transmittance and Energy by fixed wavelength
    a. Linear fit and Linear fit through zero two modes
    Coefficient, Standard Sample input and Standard Sample read three modes to establish standard curve
    b. Establish A=K1*C+K0, can search original data, graph curve, parameters settings
    c. Can save 240 group curves, can test 240 data in each curve
    d. Double wavelength, Triple wavelength test functions.
    Used for time course scanning or reaction rate calculations△A/t, can search all data
    Can test Transmittance and Abs. with 8 different wavelengths at most
    User can set the scan range from 190nm to 1100nm to test the max. Abs. peak value, can do derivation, arithmetical operationsto the graph.
    6 methods: DNA/Protein, UV, Lowry, BCA,CBB and Biuret

Technical Parameters

Model BK-D560 BK-D580 BK-D590
Optical System Double Beam, Grating 1200 lines/mm
Wavelength Range 190~1100nm
Spectral Range 1.8nm 1nm 0.5,1,2,4,5nm
Wavelength Accuracy ± 0.3nm
Wavelength Repeatability ≤ 0.2nm
Photometric Accuracy ± 0.002A (0~0.5Abs), ± 0.004A (0.5~1.0Abs), ± 0.3% T (0~100% T)
Photometric Repeatability 0.001Abs (0~0.5Abs), 0.002Abs (0.5~1.0Abs), ≤ 0.2% T (0~100% T)
Stray Light ≤ 0.05 T @ 360nm; 220nm
Stability ± 0.0008A / h @ 500nm
Baseline Flatness ± 0.0005A
Noise ± 0.0002Abs
Display 65 thousand true color 7 inch TFT LCD(480 *800)
Photometric Mode T, A, C, E
Photometric Range 0~200% T,-0.301~3.0A
Detector Silicon Photodiode
Light Source  Lamp, Tungsten Lamp
Input Membrane Keypad
Output USB  Print and data output, Connect PC
Standard Accessories 10mm glass cuvette *4 units  10mm quartz cuvette *2 units,software
Optional Accessories Single cell holder,General cell holder,Test tube holder,Solid sample holder, lamp,Halogen lamp,4-place Cell holder,Printer,Water-jacketedcell holder,Reflection accessory 5°,Auto 8-cell changer,Micro cell holder,Water-jacketed cell holder,Constant-temperature system


Power Supply AC110V/220±10%, 60/50Hz
Packing Size(mm) 740*570*440
Gross Weight(kg) 25